<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<style>
			.nav {
				/* 背景颜色 */
				background-color: #f5f5f5;
			}
			.nav  >  a:link {
				color: #ccc;
				/* 文本装饰： 上划线/中划线/下划线/没有线 */
				text-decoration: none;
				/* text-decoration: overline; */
				/* text-decoration: line-through; */
				/* text-decoration: underline; */
			}
			.nav  >  a:visited {
				color: #ccc;
			}
			.nav  >  a:hover {
				color: #b8b8b8;
			}
			.nav  >  a:active {
				color: #0aa1ed;
			}
		</style>
	</head>
	<body>
		<div class="nav">
			<a href="1.html">首页</a>
			<a href="2.html">学习用品</a>
			<a href="3.html">私人订制</a>
		</div>
	</body>
</html>
